Alexander mckay



STATES IP ENT QWIECE:o

ALEX NDER, MOKAAYL'OYYF' WATER 'D, NEW YORK.

' eLEAo -u Ne-soL-on-oiw.

-$P E CIFPIG ATION forming part of Letters Patent. No 309,9 7 0, dated December 3d, 1884.

.To all, whom itm aj concern: 7'

Be; it known but -I,-A EXANDER MoKAY, a.

citizen of theUnited States,'residing at We'- terford, in the coun-tyof Saratogaan'd State of "New York haveinveute'd ceigtainliew and use ful Improvements in the Bleaching'of Cotton and Wooleu'Goods, or eithje'riot thex'nyand I -:do hereby declare that. the following'is a ful],

claivj, and exict description of Ethejiiyehtion,

whichwili 'enzible Lot-11ers skilled in the art to T which it a'ppei-t ains to mike and use the same.

Heretofore such goods 'hevebeen generally wbleached by steeping them in a solutionof 'clilorideofnlimeu and then passing thein through 1 the Y souring -vati of dilute sulphuric acid orsilhmittingathemto the vapor of sul- A phu'r,"by whichineansdn operatiom itis found that the "goods-have acquired .ahel sh feeljing'to the touch,;an'd thet freq'uently'they eequire ayellowish tintior spotted appearance,

especiellyefterzwashing in acsoapy fluid; j The-object of my invention is to meetthese f objections anddifiicul ties which I do substam tiallyas. follox'vs 'itaike Irishor Ic'elandmoss, ,say one part-oftwo pounds, in about thirty parts of= water; boil this abouttwohours, by-

which meansLI'extractthe soluble principles ofthe mosst I then add'to the extratctabout threetiu1es the weight of the moss in fullersrine 'solution, as shove mentioned. 7

May $6, 1894. .(lidspecimens) A In operation with my proeess,ltherii pour my compound solution of fullers-earth and extract of Ifiish or Icelahd moss inthe dilute chloride of l-ime,' in-which the goodsare to be placed for being'steeped and bleached, when" the process iscontinued in the ordinary man- 0 .ner;v and when the-tgoods are completely bleached by the aidof my improved process they present a, uniform texture, soft to the touch; with fiber less harsh-th'anlresults'ffrom1 whem my compound solution is used, amore uniformly'whit'eand better bleached appearance'and finish. Inapplication I have found my improyed process of bleaching to be especially adapted o tork'nit'goods, giving'a uniform finish softness of fi hei and texture, and a uniformly white appearance, end" keeping the same'afterrepeated washings. 4. H Having fully described my invention, what I, desire to claimoand secure by Letters Patent is; W An improved bleaching-fluid consisting :of theordinary solution of chloride of lime to earth anddecoction of Iceland or substantiallyasdescribed; I I I j -1 AIgm'ceiiu zn MGKAY. ivitnessesz V i COLE-IH-QDENTIO,

Irish moss,

the ordinary process, and they also present, 5

,which has been added a-mixture of fuller?s- 

